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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #201434 | #5152. Circular Caramel Cookie | Rd_rainydays# | WA | 1ms | 3732kb | C++14 | 438b | 2023-10-05 14:20:15 | 2023-10-05 14:20:15 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<cmath>
#define ll long long
using namespace std;
ll s;
ll l,r,mid,ans;
int main(){
scanf("%lld",&s);
l=0,r=10000*s;
while(l<=r){
mid=(l+r)/2;
ll len=floor(sqrt(mid));
ll sum=0;
for(ll r=1;r<=len;r++)sum=sum+floor(sqrt(mid-r*r));
sum*=4;
if(sum>=s)ans=mid,r=mid-1;
else l=mid+1;
}
printf("%.10Lf\n",sqrtl(1.0*ans));
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3680kb
input:
11
output:
2.2360679775
result:
ok found '2.2360680', expected '2.2360680', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3732kb
input:
59
output:
5.0000000000
result:
ok found '5.0000000', expected '5.0000000', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3728kb
input:
1
output:
1.4142135624
result:
ok found '1.4142136', expected '1.4142136', error '0.0000000'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3604kb
input:
2
output:
1.4142135624
result:
ok found '1.4142136', expected '1.4142136', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
3
output:
1.4142135624
result:
ok found '1.4142136', expected '1.4142136', error '0.0000000'
Test #6:
score: -100
Wrong Answer
time: 1ms
memory: 3628kb
input:
4
output:
1.4142135624
result:
wrong answer 1st numbers differ - expected: '2.2360680', found: '1.4142136', error = '0.3675445'